Tertiary alkanolamines containing surface active alkyl groups

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S295000

Reexamination Certificate

active

07026512

ABSTRACT:
The present invention relates to novel tertiary alkanolamines useful as catalysts for preparing polyurethane foams and as additives to reduce the dynamic surface tension of aqueous solutions. The tertiary alkanolamines may be represented by formula (I):wherein A, R1–R6, and n are defined herein, and where the tertiary alkanolamine is acid-blocked with a carboxylic acid.

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